body{
    background-color: rgba(0,0,0,0.7);
}
#bc_cavas{
    width: 410px;
    height:550px;
    background-color:#b8af9e;
    color: rgba(255,206,122,1);
    /*justify-content:center;*/
    /*项目位于容器的中心*/
    /*align-content:center;*/
    /*flex-wrap:wrap;*/
    margin:0px auto;
    border:8px solid #fdff9d;
    text-align: center;
}
#header{
    text-align: center;
    margin-top: 20px;
}
#title{
    font-family: "Arial Unicode MS";
    font-size: 30px;
    line-height: 30px;
    color: rgb(254,242,58);
    letter-spacing: 5px;
}
.btn{
    width: 130px;
    height: 30px;
    padding-top: -20px;
    text-align: center;
    background-color: rgb(192,192,192);;
    /*color: rgb(192,192,192);*/
    font:15px "Microsoft YaHei UI" ;
    position: relative;
    top:-20px;
    margin-left:40px;
    color:saddlebrown ;

    text-shadow: 1px 1px 1px rgba(255,255,255, .22);

    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    border-radius: 30px;

}

.bc{
    display:flex;
    /*弹性布局*/

}
.bc0{
    height:90px;
    width:90px;
    margin:6px 6px;
    line-height:100px;
    text-align:center;
    font-size:60px;
    color:#fff7eb;
}
.bc1{
    color:#ccc0b2;
    background:#ccc0b2;

}
